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C86800 Bronze vs. C68700 Brass

Both C86800 bronze and C68700 brass are copper alloys. They have 77% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C86800 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 570
390
Tensile Strength: Yield (Proof), MPa 260
140

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 900
970
Melting Onset (Solidus), °C 880
930
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 10
25

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 310
90
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
13
Strength to Weight: Bending, points 19
14
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0 to 2.0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 53.5 to 57
76 to 79
Iron (Fe), % 1.0 to 2.5
0 to 0.060
Lead (Pb), % 0 to 0.2
0 to 0.070
Manganese (Mn), % 2.5 to 4.0
0
Nickel (Ni), % 2.5 to 4.0
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 28.3 to 40.5
17.8 to 22.2
Residuals, % 0
0 to 0.5